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      1 /* $OpenBSD: pathnames.h,v 1.24 2013/12/06 13:39:49 markus Exp $ */
      2 
      3 /*
      4  * Author: Tatu Ylonen <ylo (at) cs.hut.fi>
      5  * Copyright (c) 1995 Tatu Ylonen <ylo (at) cs.hut.fi>, Espoo, Finland
      6  *                    All rights reserved
      7  *
      8  * As far as I am concerned, the code I have written for this software
      9  * can be used freely for any purpose.  Any derived versions of this
     10  * software must be clearly marked as such, and if the derived work is
     11  * incompatible with the protocol description in the RFC file, it must be
     12  * called by a name other than "ssh" or "Secure Shell".
     13  */
     14 
     15 #define ETCDIR				"/etc"
     16 
     17 #ifndef SSHDIR
     18 #define SSHDIR				ETCDIR "/ssh"
     19 #endif
     20 
     21 #ifndef _PATH_SSH_PIDDIR
     22 #define _PATH_SSH_PIDDIR		"/var/run"
     23 #endif
     24 
     25 /*
     26  * System-wide file containing host keys of known hosts.  This file should be
     27  * world-readable.
     28  */
     29 #define _PATH_SSH_SYSTEM_HOSTFILE	SSHDIR "/ssh_known_hosts"
     30 /* backward compat for protocol 2 */
     31 #define _PATH_SSH_SYSTEM_HOSTFILE2	SSHDIR "/ssh_known_hosts2"
     32 
     33 /*
     34  * Of these, ssh_host_key must be readable only by root, whereas ssh_config
     35  * should be world-readable.
     36  */
     37 #define _PATH_SERVER_CONFIG_FILE	SSHDIR "/sshd_config"
     38 #define _PATH_HOST_CONFIG_FILE		SSHDIR "/ssh_config"
     39 #define _PATH_HOST_KEY_FILE		SSHDIR "/ssh_host_key"
     40 #define _PATH_HOST_DSA_KEY_FILE		SSHDIR "/ssh_host_dsa_key"
     41 #define _PATH_HOST_ECDSA_KEY_FILE	SSHDIR "/ssh_host_ecdsa_key"
     42 #define _PATH_HOST_ED25519_KEY_FILE	SSHDIR "/ssh_host_ed25519_key"
     43 #define _PATH_HOST_RSA_KEY_FILE		SSHDIR "/ssh_host_rsa_key"
     44 #define _PATH_DH_MODULI			SSHDIR "/moduli"
     45 /* Backwards compatibility */
     46 #define _PATH_DH_PRIMES			SSHDIR "/primes"
     47 
     48 #ifndef _PATH_SSH_PROGRAM
     49 #define _PATH_SSH_PROGRAM		"/usr/bin/ssh"
     50 #endif
     51 
     52 /*
     53  * The process id of the daemon listening for connections is saved here to
     54  * make it easier to kill the correct daemon when necessary.
     55  */
     56 #define _PATH_SSH_DAEMON_PID_FILE	_PATH_SSH_PIDDIR "/sshd.pid"
     57 
     58 /*
     59  * The directory in user's home directory in which the files reside. The
     60  * directory should be world-readable (though not all files are).
     61  */
     62 #define _PATH_SSH_USER_DIR		".ssh"
     63 
     64 /*
     65  * Per-user file containing host keys of known hosts.  This file need not be
     66  * readable by anyone except the user him/herself, though this does not
     67  * contain anything particularly secret.
     68  */
     69 #define _PATH_SSH_USER_HOSTFILE		"~/" _PATH_SSH_USER_DIR "/known_hosts"
     70 /* backward compat for protocol 2 */
     71 #define _PATH_SSH_USER_HOSTFILE2	"~/" _PATH_SSH_USER_DIR "/known_hosts2"
     72 
     73 /*
     74  * Name of the default file containing client-side authentication key. This
     75  * file should only be readable by the user him/herself.
     76  */
     77 #define _PATH_SSH_CLIENT_IDENTITY	_PATH_SSH_USER_DIR "/identity"
     78 #define _PATH_SSH_CLIENT_ID_DSA		_PATH_SSH_USER_DIR "/id_dsa"
     79 #define _PATH_SSH_CLIENT_ID_ECDSA	_PATH_SSH_USER_DIR "/id_ecdsa"
     80 #define _PATH_SSH_CLIENT_ID_RSA		_PATH_SSH_USER_DIR "/id_rsa"
     81 #define _PATH_SSH_CLIENT_ID_ED25519	_PATH_SSH_USER_DIR "/id_ed25519"
     82 
     83 /*
     84  * Configuration file in user's home directory.  This file need not be
     85  * readable by anyone but the user him/herself, but does not contain anything
     86  * particularly secret.  If the user's home directory resides on an NFS
     87  * volume where root is mapped to nobody, this may need to be world-readable.
     88  */
     89 #define _PATH_SSH_USER_CONFFILE		_PATH_SSH_USER_DIR "/config"
     90 
     91 /*
     92  * File containing a list of those rsa keys that permit logging in as this
     93  * user.  This file need not be readable by anyone but the user him/herself,
     94  * but does not contain anything particularly secret.  If the user's home
     95  * directory resides on an NFS volume where root is mapped to nobody, this
     96  * may need to be world-readable.  (This file is read by the daemon which is
     97  * running as root.)
     98  */
     99 #define _PATH_SSH_USER_PERMITTED_KEYS	_PATH_SSH_USER_DIR "/authorized_keys"
    100 
    101 /* backward compat for protocol v2 */
    102 #define _PATH_SSH_USER_PERMITTED_KEYS2	_PATH_SSH_USER_DIR "/authorized_keys2"
    103 
    104 /*
    105  * Per-user and system-wide ssh "rc" files.  These files are executed with
    106  * /bin/sh before starting the shell or command if they exist.  They will be
    107  * passed "proto cookie" as arguments if X11 forwarding with spoofing is in
    108  * use.  xauth will be run if neither of these exists.
    109  */
    110 #define _PATH_SSH_USER_RC		_PATH_SSH_USER_DIR "/rc"
    111 #define _PATH_SSH_SYSTEM_RC		SSHDIR "/sshrc"
    112 
    113 /*
    114  * Ssh-only version of /etc/hosts.equiv.  Additionally, the daemon may use
    115  * ~/.rhosts and /etc/hosts.equiv if rhosts authentication is enabled.
    116  */
    117 #define _PATH_SSH_HOSTS_EQUIV		SSHDIR "/shosts.equiv"
    118 #define _PATH_RHOSTS_EQUIV		"/etc/hosts.equiv"
    119 
    120 /*
    121  * Default location of askpass
    122  */
    123 #ifndef _PATH_SSH_ASKPASS_DEFAULT
    124 #define _PATH_SSH_ASKPASS_DEFAULT	"/usr/X11R6/bin/ssh-askpass"
    125 #endif
    126 
    127 /* Location of ssh-keysign for hostbased authentication */
    128 #ifndef _PATH_SSH_KEY_SIGN
    129 #define _PATH_SSH_KEY_SIGN		"/usr/libexec/ssh-keysign"
    130 #endif
    131 
    132 /* Location of ssh-pkcs11-helper to support keys in tokens */
    133 #ifndef _PATH_SSH_PKCS11_HELPER
    134 #define _PATH_SSH_PKCS11_HELPER		"/usr/libexec/ssh-pkcs11-helper"
    135 #endif
    136 
    137 /* xauth for X11 forwarding */
    138 #ifndef _PATH_XAUTH
    139 #define _PATH_XAUTH			"/usr/X11R6/bin/xauth"
    140 #endif
    141 
    142 /* UNIX domain socket for X11 server; displaynum will replace %u */
    143 #ifndef _PATH_UNIX_X
    144 #define _PATH_UNIX_X "/tmp/.X11-unix/X%u"
    145 #endif
    146 
    147 /* for scp */
    148 #ifndef _PATH_CP
    149 #define _PATH_CP			"cp"
    150 #endif
    151 
    152 /* for sftp */
    153 #ifndef _PATH_SFTP_SERVER
    154 #define _PATH_SFTP_SERVER		"/usr/libexec/sftp-server"
    155 #endif
    156 
    157 /* chroot directory for unprivileged user when UsePrivilegeSeparation=yes */
    158 #ifndef _PATH_PRIVSEP_CHROOT_DIR
    159 #define _PATH_PRIVSEP_CHROOT_DIR	"/var/empty"
    160 #endif
    161 
    162 /* for passwd change */
    163 #ifndef _PATH_PASSWD_PROG
    164 #define _PATH_PASSWD_PROG             "/usr/bin/passwd"
    165 #endif
    166 
    167 #ifndef _PATH_LS
    168 #define _PATH_LS			"ls"
    169 #endif
    170 
    171 /* path to login program */
    172 #ifndef LOGIN_PROGRAM
    173 # ifdef LOGIN_PROGRAM_FALLBACK
    174 #  define LOGIN_PROGRAM         LOGIN_PROGRAM_FALLBACK
    175 # else
    176 #  define LOGIN_PROGRAM         "/usr/bin/login"
    177 # endif
    178 #endif /* LOGIN_PROGRAM */
    179 
    180 /* Askpass program define */
    181 #ifndef ASKPASS_PROGRAM
    182 #define ASKPASS_PROGRAM         "/usr/lib/ssh/ssh-askpass"
    183 #endif /* ASKPASS_PROGRAM */
    184